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Engine Speed Sensor Test

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  1. Disconnect the engine speed sensor connector from the ignition control module.
  2. place an ohmmeter between terminals "A" and "B" (marked on the connector). On a hot engine, the resistance reading should be between 125-275 ohms.
  3. Replace sensor if readings are not within specification.
Fig 1: View of Engine Speed Sensor Connectors (At Sensor)
G50E04613Courtesy of CHRYSLER MOTORS.
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